Indian Ocean humpback dolphin vs Ring-billed Gull

Sousa plumbea compared with Larus delawarensis

Key Differences

• Indian Ocean humpback dolphin is Endangered while Ring-billed Gull is Least Concern.

Taxonomic Classification

Rank	Indian Ocean humpback dolphin	Ring-billed Gull
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Charadriiformes (Charadriiformes)
Family	Delphinidae (Oceanic Dolphins)	Laridae
Genus	Sousa	Larus
Species	Sousa plumbea	Larus delawarensis

Evolutionary Relationship

Indian Ocean humpback dolphin and Ring-billed Gull share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Indian Ocean humpback dolphin

EN — Endangered

Ring-billed Gull

LC — Least Concern

Physical Characteristics

Attribute	Indian Ocean humpback dolphin	Ring-billed Gull
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indian Ocean humpback dolphin

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Greece. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Ring-billed Gull

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Ring-billed Gull

Ring-billed Gull (Larus delawarensis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.